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Super Precision Angular Contact Ball Bearings 7203 ACD/HCP4ADBA
Super Precision Angular Contact Ball Bearings 7203 ACD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 7203 ACD/HCP4ADBA

The 7203 ACD/HCP4ADBA is a super precision angular contact ball bearing with a 17mm bore and 40mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 3285 lbf.

This matched set of two bearings comes with an extra light preload, ideal for high-speed applications reaching up to 121,000 RPM. The phenolic cage adds stability while keeping the weight low at just 0.11kg.

The open design allows for easy lubrication, and it performs reliably in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees precision for demanding tasks.

Perfect for machine tools or high-speed spindles where accuracy and speed are crucial. The bearings are interchangeable with SKF models, offering a trusted replacement option.

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Product Parameters

  • Part Number 7203 ACD/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 40 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 10
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3285 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.11 kg

Features

Performance Features of 7203 ACD/HCP4ADBA Bearing

7203 ACD/HCP4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability and reduce friction during high-speed operation.

With a dynamic radial load capacity of 3285 lbf, it handles demanding tasks efficiently.
The phenolic cage ensures smooth performance, even at speeds up to 121,000 rpm.

Its extra light preload (Class A) minimises vibration, making it ideal for precision machinery.
The matched arrangement of two bearings provides stability in complex applications.

7203 ACD/HCP4ADBA Bearing operates reliably in temperatures from -30°C to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

How Does 7203 ACD/HCP4ADBA Bearing Improve Performance?
7203 ACD/HCP4ADBA Bearing excels in high-speed applications like CNC spindles, where its ceramic balls reduce friction and heat buildup. The matched DB arrangement ensures stability, making it ideal for precision machining.

In robotics, 7203 ACD/HCP4ADBA Bearing supports articulated arms, providing smooth motion thanks to its phenolic cage and 25° contact angle. Its P4A tolerance class guarantees consistent accuracy in repetitive tasks.

For dental drills, 7203 ACD/HCP4ADBA Bearing’s extra-light preload minimises vibration, enhancing patient comfort. The chrome steel rings and ceramic balls also extend service life in sterilisation cycles.

Where Is 7203 ACD/HCP4ADBA Bearing Used?
7203 ACD/HCP4ADBA Bearing is a go-to for 3D printer extruders, where its low friction maintains precise filament control. The open design allows easy lubrication, reducing downtime in continuous printing.

In optical equipment, 7203 ACD/HCP4ADBA Bearing’s minimal runout ensures sharp image alignment. Its temperature resilience (-30°C to 110°C) suits both lab and field use.

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